da6cebb6b0
Buffers are not allocated and thread is not created until the first call where voice is required. Adds a different callback (sync_callback) to buflib so that other sorts of synchonization are possible, such as briefly locking-out the PCM callback for a buffer move. It's sort of a messy addition but it is needed so voice decoding won't have to be stopped when its buffer is moved. Change-Id: I4d4d8c35eed5dd15fb7ee7df9323af3d036e92b3
293 lines
8.8 KiB
C
293 lines
8.8 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2010 Jonathan Gordon
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include "core_alloc.h"
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#include "string-extra.h"
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#include "settings.h"
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#include "wps_internals.h"
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#include "skin_engine.h"
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#if !defined(__PCTOOL__) && defined(HAVE_BACKDROP_IMAGE)
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#define NB_BDROPS SKINNABLE_SCREENS_COUNT*NB_SCREENS
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static struct skin_backdrop {
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char name[MAX_PATH];
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char *buffer;
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enum screen_type screen;
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bool loaded;
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int buflib_handle;
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int ref_count;
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} backdrops[NB_BDROPS];
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#define NB_BDROPS SKINNABLE_SCREENS_COUNT*NB_SCREENS
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static int handle_being_loaded;
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static int current_lcd_backdrop[NB_SCREENS];
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static int buflib_move_callback(int handle, void* current, void* new)
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{
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if (handle == handle_being_loaded)
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return BUFLIB_CB_CANNOT_MOVE;
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for (int i=0; i<NB_BDROPS; i++)
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{
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if (backdrops[i].buffer == current)
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{
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backdrops[i].buffer = new;
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break;
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}
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}
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FOR_NB_SCREENS(i)
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skin_backdrop_show(current_lcd_backdrop[i]);
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return BUFLIB_CB_OK;
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}
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static struct buflib_callbacks buflib_ops = {buflib_move_callback, NULL, NULL};
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static bool first_go = true;
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void skin_backdrop_init(void)
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{
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if (first_go)
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{
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for (int i=0; i<NB_BDROPS; i++)
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{
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backdrops[i].buflib_handle = -1;
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backdrops[i].name[0] = '\0';
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backdrops[i].buffer = NULL;
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backdrops[i].loaded = false;
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backdrops[i].ref_count = 0;
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}
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FOR_NB_SCREENS(i)
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current_lcd_backdrop[i] = -1;
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handle_being_loaded = -1;
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first_go = false;
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}
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}
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int skin_backdrop_assign(char* backdrop, char *bmpdir,
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enum screen_type screen)
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{
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char filename[MAX_PATH];
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int i, free = -1;
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if (!backdrop)
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return -1;
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if (backdrop[0] == '-')
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{
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filename[0] = '-';
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filename[1] = '\0';
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filename[2] = '\0'; /* we check this later to see if we actually have an
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image to load. != '\0' means display the image */
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}
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else if (!strcmp(backdrop, BACKDROP_BUFFERNAME))
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{
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strcpy(filename, backdrop);
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}
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else
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{
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get_image_filename(backdrop, bmpdir, filename, sizeof(filename));
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}
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for (i=0; i<NB_BDROPS; i++)
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{
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if (!backdrops[i].name[0] && free < 0)
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{
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free = i;
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break;
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}
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else if (!strcmp(backdrops[i].name, filename) && backdrops[i].screen == screen)
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{
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backdrops[i].ref_count++;
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break;
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}
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}
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if (free >= 0)
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{
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strlcpy(backdrops[free].name, filename, MAX_PATH);
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backdrops[free].buffer = NULL;
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backdrops[free].screen = screen;
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backdrops[free].ref_count = 1;
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return free;
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}
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else if (i < NB_BDROPS)
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return i;
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return -1;
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}
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bool skin_backdrops_preload(void)
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{
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bool retval = true;
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int i;
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char *filename;
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for (i=0; i<NB_BDROPS; i++)
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{
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if (backdrops[i].name[0] && !backdrops[i].buffer)
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{
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size_t buf_size;
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enum screen_type screen = backdrops[i].screen;
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#if defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1)
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if (screen == SCREEN_REMOTE)
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buf_size = REMOTE_LCD_BACKDROP_BYTES;
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else
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#endif
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buf_size = LCD_BACKDROP_BYTES;
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filename = backdrops[i].name;
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if (screen == SCREEN_MAIN && global_settings.backdrop_file[0] &&
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global_settings.backdrop_file[0] != '-' && filename[0] == '-')
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{
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filename = global_settings.backdrop_file;
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}
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if (*filename && *filename != '-')
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{
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backdrops[i].buflib_handle = core_alloc_ex(filename, buf_size, &buflib_ops);
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if (backdrops[i].buflib_handle > 0)
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{
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backdrops[i].buffer = core_get_data(backdrops[i].buflib_handle);
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handle_being_loaded = backdrops[i].buflib_handle;
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if (strcmp(filename, BACKDROP_BUFFERNAME))
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{
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backdrops[i].loaded =
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screens[screen].backdrop_load(filename, backdrops[i].buffer);
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handle_being_loaded = -1;
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if (!backdrops[i].loaded)
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{
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core_free(backdrops[i].buflib_handle);
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backdrops[i].buflib_handle = -1;
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retval = false;
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}
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}
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else
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backdrops[i].loaded = true;
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}
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else
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retval = false;
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}
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if (backdrops[i].name[0] == '-' && backdrops[i].loaded)
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backdrops[i].name[2] = '.';
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}
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}
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return retval;
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}
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void* skin_backdrop_get_buffer(int backdrop_id)
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{
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if (backdrop_id < 0)
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return NULL;
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return backdrops[backdrop_id].buffer;
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}
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void skin_backdrop_show(int backdrop_id)
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{
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if (backdrop_id < 0)
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{
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screens[0].backdrop_show(NULL);
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current_lcd_backdrop[0] = -1;
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return;
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}
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enum screen_type screen = backdrops[backdrop_id].screen;
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if ((backdrops[backdrop_id].loaded == false) ||
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(backdrops[backdrop_id].name[0] == '-' &&
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backdrops[backdrop_id].name[2] == '\0'))
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{
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screens[screen].backdrop_show(NULL);
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current_lcd_backdrop[screen] = -1;
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}
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else if (backdrops[backdrop_id].buffer)
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{
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screens[screen].backdrop_show(backdrops[backdrop_id].buffer);
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current_lcd_backdrop[screen] = backdrop_id;
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}
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}
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void skin_backdrop_unload(int backdrop_id)
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{
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backdrops[backdrop_id].ref_count--;
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if (backdrops[backdrop_id].ref_count <= 0)
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{
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if (backdrops[backdrop_id].buflib_handle > 0)
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core_free(backdrops[backdrop_id].buflib_handle);
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backdrops[backdrop_id].buffer = NULL;
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backdrops[backdrop_id].buflib_handle = -1;
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backdrops[backdrop_id].loaded = false;
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backdrops[backdrop_id].name[0] = '\0';
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backdrops[backdrop_id].ref_count = 0;
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}
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}
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void skin_backdrop_load_setting(void)
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{
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int i;
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for(i=0;i<SKINNABLE_SCREENS_COUNT*NB_SCREENS;i++)
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{
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if (backdrops[i].name[0] == '-' && backdrops[i].screen == SCREEN_MAIN)
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{
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if (global_settings.backdrop_file[0] &&
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global_settings.backdrop_file[0] != '-')
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{
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if (!backdrops[i].buflib_handle <= 0)
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{
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backdrops[i].buflib_handle =
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core_alloc_ex(global_settings.backdrop_file,
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LCD_BACKDROP_BYTES, &buflib_ops);
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if (backdrops[i].buflib_handle < 0)
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return;
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}
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bool loaded;
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backdrops[i].buffer = core_get_data(backdrops[i].buflib_handle);
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handle_being_loaded = backdrops[i].buflib_handle;
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loaded = screens[SCREEN_MAIN].backdrop_load(
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global_settings.backdrop_file,
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backdrops[i].buffer);
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handle_being_loaded = -1;
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backdrops[i].name[2] = loaded ? '.' : '\0';
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backdrops[i].loaded = loaded;
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return;
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}
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else
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backdrops[i].name[2] = '\0';
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}
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#if NB_SCREENS > 1
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else if (backdrops[i].name[0] == '-')
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{
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backdrops[i].name[2] = '\0';
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return;
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}
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#endif
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}
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}
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#elif defined(__PCTOOL__)
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int skin_backdrop_assign(char* backdrop, char *bmpdir,
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enum screen_type screen)
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{
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(void)backdrop;
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(void)bmpdir;
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(void)screen;
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return 0;
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}
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void skin_backdrop_unload(int backdrop_id)
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{
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(void)backdrop_id;
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}
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#else
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void skin_backdrop_init(void)
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{
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}
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#endif
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